Nvidia, Broadcom and Micron Technology fell between 2.1 per cent and 4 per cent in premarket trading on Wednesday, with losses rising again after a brief rebound on Monday.
Volatility has picked up across stock markets in recent days, as investors contend with a widening array of risks, including high valuations in the tech sector, escalating tensions in the Middle East and expectations that the Federal Reserve may need to hike interest rates to curb inflation.
